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1、高一英語(yǔ)(必修一)Module 5 A Lesson in a Lab Vocabulary and Speaking, Grammar 1 & 2Teaching Goals: 1. To get Ss to have knowledge of this grammar point: Degrees of comparison;2. To enable Ss to read some large English numbers.Teaching procedures:Step 1 Revision Check the Workbook Reading Exercises on pag

2、e 93-94.Step 2 Vocabulary and SpeakingPurpose: To help Ss master the rules of reading English numbers.1. (Group Work) Ask Ss to read the numbers on the screen. 1 20 300 4,000 50,000 600,000 7,000,000 80,000,000 900,000,000 1,000,000,000Suggested answers:We writeWe say1one20twenty300three hundred4,00

3、0four thousand50,000fifty thousand600,000six hundred thousand7,000,000seven million80,000,000eighty million900,000,000nine hundred million1,000,000,000one billion (Please pay attention to the bold face. Thats the unit of the numbers.)2. (Individual Work) Ask some Ss to write some numbers on the blac

4、kboard while the teacher says some numbers. The more he / she get, the higher scores he / she get. (1) three hundred and forty-five (2) two thousand seven hundred and eighty-nine (3) ninety-eight thousand four hundred seventy-three (4) a hundred thousand eight hundred and eighty-eight (5) fifty-two

5、million four hundred seventy thousand three hundred eighty-threeSuggested answers:(1) 345(2) 2,789(3) 98,473(4) 100,888(5) 52,470,3833. (Pair Work) Ask Ss to look at the numbers in Activity 1 on page 42. There are two mistakes. Let them to find them out.Suggested answers:52,470,383 should be said“fi

6、fty-two million, four hundred and seventy thousand, three hundred and eighty-three”.100,000,000 should be said one hundred million. 4. (Pair Work) Ask Ss to look at the fractions and think over how to read the fractions.Suggested answers:The upper ones are cardinal numbers and the lower ones are ord

7、inal numbers.5. (Individual Work) Practice: Ask Ss to read these fractions in English: 1/5, 2/9, 3/8, 4/7, 5/6.Suggested answers:1/5: a fifth / one fifth2/9: two-ninths3/8: three-eighths4/7: four-sevenths5/6: five-sixths6. (Pair Work) Describe the fractions in Activity 2 as percentages.Suggested ans

8、wers:A fifth is the same as 20%.Two-ninths is the same as 22.22% (twenty-two point two two recurring percent).Three-eighths is the same as 37.5%.Four-sevenths is the same as 57.14%.Five-sixths is the same as 83.33% ( eighty-three point three three recurring percent).7. (Pair Work) Ask Ss to finish A

9、ctivity 4 on page 43. (Work in pairs to take turns asking and answering the questions.)Suggested answers:(1) 3,000,000 (2) 48,046,000 (3) 50,000,000 (4) 265,693,096 (5) 750,375,000(6) 80,000,000Step 3 Grammar 1Purpose: Let Ss know how to use the comparative degree.1. (Group Work) Ask Ss to express t

10、he meaning of the following pictures. (1)_. A BLine a:Line b: (2) _. A B(3) _. Suggested answers:1) Triangle A is bigger than Triangle B.2) Line b is two times as long as Line a.3) Rabbit A is as big as Rabbit B2. (Pair Work) Ask Ss to summarize the sentences patterns of comparison.Suggested answers

11、:· as + 原級(jí) + as; not as + 原級(jí) + as Eg He likes her as much as he likes his sister. (他很喜歡她,同喜歡他的姐妹一樣。) It is not as hot in Beijing as in Wuhan. (北京沒(méi)有武漢熱。)· 比較級(jí) + than; not + 比較級(jí) + than; less + than Eg She sees me more often than she sees her brother.(她見(jiàn)我比見(jiàn)她弟弟的時(shí)間多。)· the + 最高級(jí) + 比較范圍 Eg

12、This is the best picture in the hall. (這是大廳里最好的一張畫(huà)。)· 倍數(shù) + as + 原級(jí) +as Eg This room is twice as large as that one. (這個(gè)房間是那個(gè)房間的兩倍大。)· 倍數(shù) + 比較級(jí) + thanEg This room is twice larger than that one. (這個(gè)房間比那個(gè)房間大一倍。)· 倍數(shù) + the length / height / depth / width / etc. of . Eg This room is twice t

13、he size of that one. (這個(gè)房間是那個(gè)房間的兩倍。)3. (Pair Work) Ask Ss to finish Activity 1 on page 43.Suggested answers:(1) it is more usual to say “I went there twice”. (2) 20 metres long(3) 400 kg4. (Pair Work) Ask the Ss to finish Activity 2 on page 43.Suggested answers:(2) Winter is four times colder in Har

14、bin than in Beijing.Winter is four times as cold in Harbin as in Beijing.(3) Mount Qumolangma is about six times higher than Mount Tai.Mount Qumolangma is about as six times high as Mount Tai.(4) My aunts house is twice as larger as my house.My aunts house is two times larger than my house.(5) Tom w

15、eighs over twice as heavy as Lily.Tom is over two times heavier than Lily.Step 4 Grammar 2Purpose: Let Ss master the usage of comparison.1. (Group Work) Ask Ss to read the sentences in Activity 1 on page 47. Then answer those questions.Suggested answers:(1) 1、2、3 (2)2、3 (3) 12. (Group Work) Let Ss t

16、o draw a conclusion about the usage of comparison by looking at the following sentences. (1) You are growing taller and taller. (2) Our country is getting more and more powerful. (3) When the sun rises, it is getting brighter and brighter. (4) When the sun sets, it is getting darker and darker. (5)

17、The harder you work at your lessons, the better you will do in them. (6) The more you practice, the more fluently you will speak.Suggested answers:1)“越來(lái)越”: more and more + 多音節(jié)形容詞; 單音節(jié)或雙音節(jié)形容詞 / 副詞的比較級(jí) + 單音節(jié)或雙音節(jié)形容詞 / 副詞的比較級(jí)2)“越,越”:The + 形容詞 / 副詞的比較級(jí) + 主語(yǔ) + 謂語(yǔ), the + 形容詞 / 副詞的比較級(jí) + 主語(yǔ) 謂語(yǔ)3. (Individual

18、Work) Ask Ss to finish Activity 2 on page 47. (Call back the answers after 2 minutes.)4. (Pair Work) Ask Ss to look at the sentences in Activity 3 on page 47. Underline the comparative expressions and circle the adverbs to give more information about the comparative expressions. (表示程度的副詞<much, a little, a bit, rather, a lot, any, etc.)可以修飾形容詞或副詞的比較級(jí)。)5. (Individual Work) Practice: Use the proper word to fill in the blanks. (1) Mary has been ill for a week. Is she getting _ better? (2) Local speakers speak Japanese _ faster than he do

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